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<h2><a href="local_closure_goog_datasource_expr_test.js.html">expr_test.js</a></h2>

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<a name="line1"></a>// Copyright 2006 The Closure Library Authors. All Rights Reserved.
<a name="line2"></a>//
<a name="line3"></a>// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
<a name="line4"></a>// you may not use this file except in compliance with the License.
<a name="line5"></a>// You may obtain a copy of the License at
<a name="line6"></a>//
<a name="line7"></a>//      http://www.apache.org/licenses/LICENSE-2.0
<a name="line8"></a>//
<a name="line9"></a>// Unless required by applicable law or agreed to in writing, software
<a name="line10"></a>// distributed under the License is distributed on an &quot;AS-IS&quot; BASIS,
<a name="line11"></a>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<a name="line12"></a>// See the License for the specific language governing permissions and
<a name="line13"></a>// limitations under the License.
<a name="line14"></a>
<a name="line15"></a>goog.provide(&#39;goog.ds.ExprTest&#39;);
<a name="line16"></a>goog.setTestOnly(&#39;goog.ds.ExprTest&#39;);
<a name="line17"></a>
<a name="line18"></a>goog.require(&#39;goog.ds.DataManager&#39;);
<a name="line19"></a>goog.require(&#39;goog.ds.Expr&#39;);
<a name="line20"></a>goog.require(&#39;goog.ds.JsDataSource&#39;);
<a name="line21"></a>goog.require(&#39;goog.testing.jsunit&#39;);
<a name="line22"></a>
<a name="line23"></a>var jsDs;
<a name="line24"></a>var jsObj = {
<a name="line25"></a>  Success: true,
<a name="line26"></a>  Errors: [],
<a name="line27"></a>  Body: {
<a name="line28"></a>    Contacts: [
<a name="line29"></a>      {
<a name="line30"></a>        Name: &#39;John Doe&#39;,
<a name="line31"></a>        Email: &#39;john@gmail.com&#39;,
<a name="line32"></a>        EmailCount: 300
<a name="line33"></a>      },
<a name="line34"></a>      {
<a name="line35"></a>        Name: &#39;Jane Doh&#39;,
<a name="line36"></a>        Email: &#39;jane@gmail.com&#39;
<a name="line37"></a>      },
<a name="line38"></a>      {
<a name="line39"></a>        Name: &#39;Steve Smith&#39;,
<a name="line40"></a>        Email: &#39;steve@gmail.com&#39;,
<a name="line41"></a>        EmailCount: 305
<a name="line42"></a>      },
<a name="line43"></a>      {
<a name="line44"></a>        Name: &#39;John Smith&#39;,
<a name="line45"></a>        Email: &#39;smith@gmail.com&#39;
<a name="line46"></a>      },
<a name="line47"></a>      {
<a name="line48"></a>        Name: &#39;Homer Simpson&#39;,
<a name="line49"></a>        Email: &#39;homer@gmail.com&#39;
<a name="line50"></a>      },
<a name="line51"></a>      {
<a name="line52"></a>        Name: &#39;Bart Simpson&#39;,
<a name="line53"></a>        Email: &#39;bart@gmail.com&#39;
<a name="line54"></a>      }
<a name="line55"></a>    ]
<a name="line56"></a>  }
<a name="line57"></a>};
<a name="line58"></a>
<a name="line59"></a>function setUp() {
<a name="line60"></a>  jsDs = new goog.ds.JsDataSource(jsObj, &#39;JS&#39;, null);
<a name="line61"></a>  var dm = goog.ds.DataManager.getInstance();
<a name="line62"></a>  dm.addDataSource(jsDs, true);
<a name="line63"></a>}
<a name="line64"></a>
<a name="line65"></a>function testBasicStuff() {
<a name="line66"></a>  assertNotNull(&#39;Get Body&#39;, goog.ds.Expr.create(&#39;$JS/Body&#39;).getNode());
<a name="line67"></a>}
<a name="line68"></a>
<a name="line69"></a>function testArrayExpressions() {
<a name="line70"></a>  assertEquals(6,
<a name="line71"></a>      goog.ds.Expr.create(&#39;$JS/Body/Contacts/*&#39;).getNodes().getCount());
<a name="line72"></a>  assertEquals(&#39;John Doe&#39;,
<a name="line73"></a>      goog.ds.Expr.create(&#39;$JS/Body/Contacts/[0]/Name&#39;).getValue());
<a name="line74"></a>  assertEquals(305,
<a name="line75"></a>      goog.ds.Expr.create(&#39;$JS/Body/Contacts/[2]/EmailCount&#39;).getValue());
<a name="line76"></a>  assertEquals(6,
<a name="line77"></a>      goog.ds.Expr.create(&#39;$JS/Body/Contacts/*/count()&#39;).getValue());
<a name="line78"></a>  assertEquals(0, goog.ds.Expr.create(&#39;$JS/Errors/*/count()&#39;).getValue());
<a name="line79"></a>}
<a name="line80"></a>
<a name="line81"></a>function testCommonExpressions() {
<a name="line82"></a>  assertTrue(goog.ds.Expr.create(&#39;.&#39;).isCurrent_);
<a name="line83"></a>  assertFalse(goog.ds.Expr.create(&#39;Bob&#39;).isCurrent_);
<a name="line84"></a>  assertTrue(goog.ds.Expr.create(&#39;*|text()&#39;).isAllChildNodes_);
<a name="line85"></a>  assertFalse(goog.ds.Expr.create(&#39;Bob&#39;).isAllChildNodes_);
<a name="line86"></a>  assertTrue(goog.ds.Expr.create(&#39;@*&#39;).isAllAttributes_);
<a name="line87"></a>  assertFalse(goog.ds.Expr.create(&#39;Bob&#39;).isAllAttributes_);
<a name="line88"></a>  assertTrue(goog.ds.Expr.create(&#39;*&#39;).isAllElements_);
<a name="line89"></a>  assertFalse(goog.ds.Expr.create(&#39;Bob&#39;).isAllElements_);
<a name="line90"></a>}
<a name="line91"></a>
<a name="line92"></a>function testIndexExpressions() {
<a name="line93"></a>  assertEquals(goog.ds.Expr.create(&#39;node/[5]&#39;).getNext().size_, 1);
<a name="line94"></a>  assertEquals(goog.ds.Expr.create(&#39;node/[5]&#39;).getNext().parts_[0], &#39;[5]&#39;);
<a name="line95"></a>}
</pre>


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